condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 3.403366666666667 0.0 10.2101 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 1.14038 0.0 3.42114 Petiole 0.06747666666666667 0.0 0.20243 Crozier 0.0 0.0 0.0 Root 0.0 0.0 0.0